3-Chloro-4,5-dihydroxybenzaldehyde
Also known as: 3-chloro-4,5-dihydroxybenzaldehyde, 5-chloro-3,4-dihydroxybenzaldehyde, 3,4-dihydroxy-5-chlorobenzaldehyde, 5-chloroprotocatechualdehyde, benzaldehyde, 3-chloro-4,5-dihydroxy-, 3-chloro-4,5-dihydroxy-benzaldehyde
3-Chloro-4,5-dihydroxybenzaldehyde (CAS 34098-18-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H5ClO3 and a molecular weight of 172.566 g/mol. Key properties include a boiling point of 290.7±35.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 129.6±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 34098-18-5
- Jingsj CID
- J-1015932-7
- Molecular Formula
- C7H5ClO3
- Molecular Weight
- 172.566 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 290.7±35.0 °C at 760 mmHg |
|---|---|
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 129.6±25.9 °C |
| Exact Mass | 171.992722 |
| PSA | 57.53000 |
| LogP | 2.04 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.683 |
Frequently Asked Questions
What is the CAS number of 3-Chloro-4,5-dihydroxybenzaldehyde?
The CAS number of 3-Chloro-4,5-dihydroxybenzaldehyde is 34098-18-5.
What are the molecular formula and molecular weight of 3-Chloro-4,5-dihydroxybenzaldehyde?
3-Chloro-4,5-dihydroxybenzaldehyde has molecular formula C7H5ClO3 and molecular weight 172.566 g/mol.
What are the upstream and downstream products of 3-Chloro-4,5-dihydroxybenzaldehyde?
For 3-Chloro-4,5-dihydroxybenzaldehyde, Upstream Products: 3-Chloro-4-hydroxy-5-methoxybenzaldehyde, Benzaldehyde, Vanillin; Downstream Products: (7-Chloro-1,3-benzodioxol-5-yl)methanol, 7-chloro-1,3-benzodioxole-5-carbaldehyde.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Chloro-4,5-dihydroxybenzaldehyde (CAS 34098-18-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1015932-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.